Review of Introductory Mathematics
DECIMALS
Solution:
Step 1:
18.82 is 18 and 82 hundredths.
18.82
1882
100
Step 2:
Reduce
to its simplest form
82
100
41
50
82
100
2
41
2
50
2
41
2
2
25
2
41
2
2
5
5
41
2
5
5
41
50
The answer is
.
1841
50
Example 3:
Convert 1.73 to a fraction.
Solution:
Step 1:
1.73 = 173
100
Step 2:
73 = 73 x 1
100 = 2 x 2 x 5 x 5
There are no common factors between 73 and 100, so it cannot be reduced.
173
100
Example 4:
Convert 0.333 to a fraction.
Solution:
Step 1:
0.333
333
1000
Step 2:
There are no common factors between 333 and 1000, so it is already in its
simplest form.
Rev. 0
Page 41
MA-01